import { ParsedVaa } from "@certusone/wormhole-sdk";
import { FetchVaaFn } from "./context.js";
import { MakeOptional } from "./utils.js";
import { ParsedVaaWithBytes } from "./application.js";
export type VaaId = Pick<ParsedVaa, "emitterChain" | "emitterAddress" | "sequence">;
export type SerializedBatchFetcher = {
    vaaBytes: string[];
    vaaIds: VaaId[];
};
interface VaaBundlerOpts {
    maxAttempts: number;
    delayBetweenAttemptsInMs: number;
    vaaIds: VaaId[];
}
declare const defaultOpts: {
    maxAttempts: number;
    delayBetweenAttemptsInMs: number;
};
export declare class VaaBundleFetcher {
    private fetchVaa;
    private readonly fetchedVaas;
    private readonly pendingVaas;
    private readonly fetchErrors;
    private opts;
    constructor(fetchVaa: FetchVaaFn, opts: MakeOptional<VaaBundlerOpts, typeof defaultOpts>);
    get isComplete(): boolean;
    get pctComplete(): number;
    static deserialize(serialized: SerializedBatchFetcher, fetchVaa: FetchVaaFn): VaaBundleFetcher;
    addVaaPayload(parsedVaa: ParsedVaaWithBytes): void;
    serialize(): SerializedBatchFetcher;
    build(): Promise<ParsedVaaWithBytes[]>;
    private idToKey;
    private fetchPending;
    /**
     * Adds a vaa payload to the builder. If this vaa was marked as pending, then it's moved to completed.
     * @param vaaBytesArr
     * @private
     */
    private addVaaPayloads;
    private export;
}
export {};